<span item_type="fundamental" item_id="000692d2738526629905a456b2f98fc2" counter_id="ST/US/MNTK" env="prod"></span><span item_type="announcement" item_id="645483536669671809" env="prod"></span><p>Revenue: As of FY2026 Q1, the actual value is USD 46.43 M.</p><p>EPS: As of FY2026 Q1, the actual value is USD 0.</p><p>EBIT: As of FY2026 Q1, the actual value is USD -263 K.</p><p></p><h4>Total Operating Revenues</h4><p>Total operating revenues for Montauk Renewables, Inc. in the first quarter of 2026 were $46.4 million, an increase of 9.0% compared to $42.6 million in the first quarter of 2025. This increase was primarily due to environmental attribute revenues from RINs sold from the GreenWave joint venture, which had no RINs distributed and sold in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Net Income</h4><p>Net income for the first quarter of 2026 was $5 thousand, compared to a net loss of - $0.5 million in the first quarter of 2025, representing an increase of $0.5 million year-over-year.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Non-GAAP Adjusted EBITDA</h4><p>Non-GAAP Adjusted EBITDA was $10.8 million in the first quarter of 2026, an increase of 22.8% year-over-year compared to $8.8 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Operating Expenses</h4><p>Operating and maintenance expenses were $23.2 million in the first quarter of 2026, an increase of $5.6 million (31.9%) compared to $17.6 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span> General and administrative expenses decreased by $0.7 million (8.4%) to $8.0 million in the first quarter of 2026, from $8.8 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span> Royalties, transportation, gathering and production fuel expenses were $8.0 million in the first quarter of 2026, up from $7.6 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span> Depreciation, depletion and amortization increased to $8.4 million in the first quarter of 2026, from $6.3 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span> Impairment loss was $0.4 million in the first quarter of 2026, a decrease from $2.0 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Operating Loss</h4><p>Montauk Renewables, Inc. reported an operating loss of - $1.6 million in the first quarter of 2026, compared to an operating income of $0.4 million in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Income from Equity Investment</h4><p>The company recognized $3.3 million from its GreenWave joint venture in the first quarter of 2026.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Loss on Extinguishment of Debt</h4><p>A loss of - $0.9 million on extinguishment of debt was recorded in the first quarter of 2026.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>RNG Production</h4><p>RNG production was 1.4 million MMBtu in the first quarter of 2026, which was flat compared to the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>RINs Sold</h4><p>RINs sold increased by 2.5 million or 25.5% year-over-year, totaling 12.4 million.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Renewable Electricity Production</h4><p>Renewable Electricity production was approximately 43 thousand MWh in the first quarter of 2026, a decrease of 3 thousand MWh compared to 46 thousand MWh produced in the first quarter of 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Net Cash Provided by Operating Activities</h4><p>Net cash provided by operating activities was $15.8 million for the three months ended March 31, 2026, compared to $9.1 million for the same period in 2025.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Net Cash Used in Investing Activities</h4><p>Net cash used in investing activities was - $30.8 million for the three months ended March 31, 2026, compared to - $11.6 million for the same period in 2025. Capital expenditures were - $30.9 million.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Net Cash Provided by Financing Activities</h4><p>Net cash provided by financing activities was $19.5 million for the three months ended March 31, 2026, compared to net cash used of - $3.0 million for the same period in 2025. This included borrowings of $155.0 million and repayments of $44.0 million of long-term debt, and borrowings of $20.0 million and repayments of $105.0 million of revolver.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p><h4>Outlook / Guidance (2026 Full Year)</h4><p>Montauk Renewables, Inc. expects RNG revenues to range between $175 million and $190 million, and RNG production volumes are anticipated to be between 5.8 million and 6.0 million MMBtu, with both metrics unchanged from previous guidance. Renewable Electricity Generation (REG) revenues are projected to be between $33 million and $37 million, while REG production volumes are expected to be between 195 thousand and 207 thousand MWh. The reduction in the REG revenues outlook is attributed to current expectations regarding the commencement of revenue generation for the Montauk Ag Renewables facility.<span class="superscript" item_id="0" item_type="announcement_file" value="1" url="https://www.sec.gov/Archives/edgar/data/1826600/000119312526209194/mntk-ex99_1.htm"></span></p>

Montauk Renewables | 8-K: FY2026 Q1 Revenue: USD 46.43 M